1040344323044 has 24 divisors (see below), whose sum is σ = 1963198600440. Its totient is φ = 479534505984.

The previous prime is 1040344323037. The next prime is 1040344323047. The reversal of 1040344323044 is 4403234430401.

It can be written as a sum of positive squares in 4 ways, for example, as 478734400 + 1039865588644 = 21880^2 + 1019738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1040344323044.

It is not an unprimeable number, because it can be changed into a prime (1040344323047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12968219 + ... + 13048194.

It is an arithmetic number, because the mean of its divisors is an integer number (81799941685).

Almost surely, 2^{1040344323044} is an apocalyptic number.

It is an amenable number.

1040344323044 is a deficient number, since it is larger than the sum of its proper divisors (922854277396).

1040344323044 is a wasteful number, since it uses less digits than its factorization.

1040344323044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017199 (or 26017197 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1040344323044 its reverse (4403234430401), we get a palindrome (5443578753445).

The spelling of 1040344323044 in words is "one trillion, forty billion, three hundred forty-four million, three hundred twenty-three thousand, forty-four".